High-Performance Co3O4 Nanoparticle-Based Gas Sensor for Leakage Detection of Eco-Friendly Insulating Gas C4F7N DOI
Song Xiao, Y. Y. Xue,

Zhanyuan Li

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: March 25, 2025

Perfluoroisobutyronitrile (C4F7N), an eco-friendly insulating gas, has been extensively utilized in diverse gas-insulated equipment (GIE) to replace the most potent greenhouse gas SF6. Nonetheless, given low toxicity of C4F7N, potential leakage risk at a high-pressure operational environment cannot be overlooked, making development highly sensitive sensors for leak detection essential. Herein, Co3O4 was selected as specific sensing material C4F7N based on density functional theory screening. The Co3O4-based sensor prepared, and its response performance systematically evaluated. interaction mechanism between also examined by oxygen vacancy theory. demonstrates limit 0.15 ppm optimal operating temperature 300 °C, exhibiting exceptional selectivity repeatability, with stability time 55.5 s recovery 1478 s. sensor's application under actual working settings validated using simulated test. Relevant results provide guidance monitoring C4F7N-based GIE.

Language: Английский

Electrochemical environmental sensors based on La-doped zeolitic imidazolate framework-67 functionalized with L-cysteine for simultaneous detection of Cd2+ and Hg2+ DOI

M. H. Kim,

Bhavna Hedau, Pasha W. Sayyad

et al.

Applied Surface Science, Journal Year: 2025, Volume and Issue: unknown, P. 162549 - 162549

Published: Jan. 1, 2025

Language: Английский

Citations

0
Catalytic Performance of Ni-Doped Co/La2O3 for degradation of Malachite Green by hetero-Fenton-like oxidation and sonocatalysis processes DOI

Koubra Aribi,

Madani Ghelamallah,

Radia Imane Fertout

et al.

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 141612 - 141612

Published: Feb. 1, 2025

Language: Английский

Citations

0
Preparation of MnOx/CC Electrode by One-Step Electrodeposition for Electrochemical Detection of Cd2+ in Water DOI Creative Commons

Jun Yin,

Haiyang Huang, Tianshou Zhao

et al.

Sensors, Journal Year: 2025, Volume and Issue: 25(5), P. 1415 - 1415

Published: Feb. 26, 2025

Transition metal oxides (e.g., MnOx) can effectively promote the redox reactions of heavy ions through abundant valence changes. However, relatively few studies have been conducted on application MnOx for detection Cd2+ without pre-enrichment conditions. For this reason, in study, was grown situ a carbon cloth substrate by one-step electrodeposition. The effect composition and its variation performance systematically investigated. morphology, structure, chemical materials were fully characterized scanning electron microscopy (SEM), X-ray diffraction (XRD), photoelectron spectroscopy (XPS). results show that deposition not only significantly increased active surface area electrodes but also facilitated transfer transition Mn2+/Mn3+↔Mn3+/Mn4+. water samples be successfully achieved pre-enrichment, electrode has good stability reproducibility. This study provides new design idea applying reference further optimization electrochemical sensors.

Language: Английский

Citations

0
Recent Advances in Nanostructured Cobalt Oxide (Co3O4): Addressing Methods and Design Strategies, Challenges, and Future Directions for Non-Enzymatic Sensor Applications DOI
Ritu Singh, Jay Singh

Sensors and Actuators A Physical, Journal Year: 2025, Volume and Issue: unknown, P. 116404 - 116404

Published: Feb. 1, 2025

Language: Английский

Citations

0
High-Performance Co3O4 Nanoparticle-Based Gas Sensor for Leakage Detection of Eco-Friendly Insulating Gas C4F7N DOI
Song Xiao, Y. Y. Xue,

Zhanyuan Li

et al.

ACS Sensors, Journal Year: 2025, Volume and Issue: unknown

Published: March 25, 2025

Perfluoroisobutyronitrile (C4F7N), an eco-friendly insulating gas, has been extensively utilized in diverse gas-insulated equipment (GIE) to replace the most potent greenhouse gas SF6. Nonetheless, given low toxicity of C4F7N, potential leakage risk at a high-pressure operational environment cannot be overlooked, making development highly sensitive sensors for leak detection essential. Herein, Co3O4 was selected as specific sensing material C4F7N based on density functional theory screening. The Co3O4-based sensor prepared, and its response performance systematically evaluated. interaction mechanism between also examined by oxygen vacancy theory. demonstrates limit 0.15 ppm optimal operating temperature 300 °C, exhibiting exceptional selectivity repeatability, with stability time 55.5 s recovery 1478 s. sensor's application under actual working settings validated using simulated test. Relevant results provide guidance monitoring C4F7N-based GIE.

Language: Английский

Citations

0